Here are some resources to help you learn Java:

On Khan Academy
Start with Drawing -
https://www.khanacademy.org/cs/tutorials/drawing
Programming Basics
https://www.khanacademy.org/cs/tutorials/programming-basics
Animation
https://www.khanacademy.org/cs/tutorials/animation
User Interaction
https://www.khanacademy.org/cs/tutorials/user-interaction